2. 外语
  3. The【B1】______of closed-circuit television and other new electronic teaching tools is so great that it is【B2】______to visualize "

The【B1】______of closed-circuit television and other new electronic teaching tools is so great that it is【B2】______to visualize "

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问题     The【B1】______of closed-circuit television and other new electronic teaching tools is so great that it is【B2】______to visualize "the school of tomorrow."
    Televised lessons will【B3】______from a central building having perhaps four or five master【B4】______. The lessons will be carried into classrooms all over a city, or even an entire country.
    After a televised lesson has beer] given, the classroom teacher will take over for the all-important "follow-up" period. The students will ask any【B5】______. questions, and difficult points will be【B6】______up through discussion.
    The teacher in the classroom will have【B7】______electronic tools. On the teacher’s desk, the【B8】______bright red apple will have been replaced by a multiple-control panel and magnetic tape players.【B9】______. The lessons will be specifically  changed to the students’ levels of ability. For instance, while the class as a whole studies history,【B10】______【B11】______In this way, the teacher will be able to conduct three classes at the same time
【B11】
选项
答案Should questions arise，the students will be able to talk directly to the teacher on individual" intercoms" without disturbing the rest of the class
解析 本句为一个带虚拟语气的条件从句，省略了" if "。"should questions arise" 应为"If questions should arise"。抓住了以上所列关键词语，该句可组织为：If there are questions，students will talk directly to the teacher on individual "intercoms" without disturbing the other students．其中，individual "intercoms"意为individual intercommunications(个别/ 单独交流)。
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大学英语四级

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